247131505

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1\times {\mathrm{887}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 300328704

約数和(自身を除く): 53197199

約数列:

[1, 5, 103, 515, 541, 887, 2705, 4435, 55723, 91361, 278615, 456805, 479867, 2399335, 49426301, 247131505]

約数ペア:

[(1, 247131505), (5, 49426301), (103, 2399335), (515, 479867), (541, 456805), (887, 278615), (2705, 91361), (4435, 55723)]